Cat whisker

Cat whisker

A fine piece of wire mounted so that it could be moved over the surface of the crystal used in a Crystal detector until a spot was found that would give good detection sensitivity.
1001 Words and Phrases You Never Knew You Didn’t Know by W.R. Runyan Copyright © 2011 by W.R. Runyan
References in periodicals archive ?
The best patterns were mixed, pink or red bloodworm, Dawson's, Cat Whisker, Black Tadpole and Olive Zonker.